Stock futures were flat early Tuesday after all three major averages kicked off the holiday-shortened trading week in the green.
Futures for the Dow Jones Industrials backed off nine points to 43,310.
Futures for the S&P 500 nosed ahead 7.25 points, or 0.1%, to 6,043.25.
Futures for the NASDAQ jumped 44.75 points or 0.4%, to 21,647.
Trading is expected to be relatively muted during the week. The New York Stock Exchange closes early Tuesday for Christmas Eve at 1 p.m. ET, and the market is shut on Christmas Day.
American Airlines shares fell more than 3% in light premarket trading after the company said it grounded all flights in the U.S. due to an unspecified technical issue.
In Japan, the Nikkei 225 slid 0.3% Tuesday, while in Hong Kong, the Hang Seng surged 1.1%
Oil prices hiked 53 cents to $69.77 U.S. a barrel.
Gold prices gained $1.80 to $2,630 U.S. an ounce.
